/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.apache.causeway.testdomain.domainmodel;

import java.util.Set;

import org.apache.causeway.commons.collections.Can;
import org.apache.causeway.commons.internal.collections._Sets;
import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
import org.apache.causeway.core.metamodel.spec.feature.MixedIn;

import lombok.val;

final class _MetamodelUtil {

    static Set<String> featuresSummarized(Can<ObjectSpecification> allSpecs){

        val features = _Sets.<String>newHashSet();

        allSpecs.stream()
        .forEach(spec->{
            spec.streamDeclaredActions(MixedIn.INCLUDED)
            .forEach(feature->{
                features.add(feature.getFeatureIdentifier().toString());
            });
            spec.streamDeclaredAssociations(MixedIn.INCLUDED)
            .forEach(feature->{
                features.add(feature.getFeatureIdentifier().toString());
            });
        });

        return features;
    }

}
